by tim Tue Jul 24, 2012 11:13 am
please go back and check your work. you seem to be indicating that P(picking three women) = 3/12, which i don't think is supported by the facts in the problem. most of your confusion will probably be cleared up if you are careful to identify the value of each piece you're using to set up your equation..
Tim Sanders
Manhattan GMAT Instructor
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